/**
 * 03-header-footer.css - Topbar, Header, Navigation, Suchformular,
 * CTA-Band, Footer, Nach-oben-Button.
 *
 * Mobile First. Desktop-Navigation ab 1000px.
 * Verwendet ausschliesslich Tokens aus 01-tokens.css - keine Hex-Werte.
 */

/* ============================================================
   1. Topbar (schmaler dunkelblauer Streifen, erst ab Tablet)
   ============================================================ */

.topbar {
	display: none;
	background: var(--color-primary-dark);
	color: var(--c-blue-100);
	font-size: var(--fs-xs);
}

.topbar__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--sp-4);
	min-height: 38px;
}

.topbar__claim {
	margin: 0;
	letter-spacing: 0.01em;
}

.topbar__social {
	margin-left: auto;
}

.social-menu {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--sp-4);
	margin: 0;
	padding: 0;
	list-style: none;
}

.social-menu a {
	color: var(--c-blue-100);
	text-decoration: none;
	font-weight: var(--fw-medium);
}

.social-menu a:hover,
.social-menu a:focus-visible {
	color: var(--color-accent);
	text-decoration: underline;
}

@media (min-width: 700px) {
	.topbar { display: block; }
}

/* ============================================================
   2. Hauptheader (sticky)
   ============================================================ */

.site-header {
	position: sticky;
	top: 0;
	z-index: var(--z-header);
	background: var(--color-bg);
	border-bottom: 1px solid var(--color-border);
	transition: box-shadow var(--transition), background var(--transition);
}

.site-header__inner {
	display: flex;
	align-items: center;
	gap: var(--sp-4);
	padding-block: var(--sp-4);
	transition: padding var(--transition);
}

/* Kompakter Zustand beim Scrollen (Klasse setzt navigation.js). */
.site-header.is-scrolled {
	box-shadow: var(--shadow);
}

.site-header.is-scrolled .site-header__inner {
	padding-block: var(--sp-2);
}

.site-header.is-scrolled .brand__tagline {
	opacity: 0;
	max-height: 0;
	overflow: hidden;
}

.site-header__actions {
	display: flex;
	align-items: center;
	gap: var(--sp-3);
	margin-left: auto;
}

/* CTA erst ab kleinem Tablet - auf sehr schmalen Geraeten steht er im Menue. */
.site-header__cta { display: none; }

@media (min-width: 480px) {
	.site-header__cta {
		display: inline-flex;
		/* Zweiwortiges Label darf nicht umbrechen, sonst wird der Button hoch. */
		white-space: nowrap;
	}
}

/* ============================================================
   3. Wortmarke / Logo
   ============================================================ */

.site-branding {
	display: flex;
	align-items: center;
	min-width: 0;
}

.custom-logo-link {
	display: block;
	line-height: 0;
}

.custom-logo-link img {
	width: auto;
	max-height: 56px;
	transition: max-height var(--transition);
}

.site-header.is-scrolled .custom-logo-link img {
	max-height: 42px;
}

.brand {
	display: inline-flex;
	flex-direction: column;
	gap: var(--sp-1);
	text-decoration: none;
	line-height: var(--lh-tight);
}

.brand__name {
	font-size: var(--fs-lg);
	font-weight: var(--fw-normal);
	color: var(--color-heading);
	letter-spacing: -0.01em;
	white-space: nowrap;
}

/* Der Nachname steht im Akzentton - wie im Footer. Das setzt den Namen
   gegen das Blau ab und ist die einzige Stelle im Kopf, an der Orange
   grossflaechig auftaucht. */
.brand__last {
	color: var(--color-accent);
	font-weight: var(--fw-bold);
}

.brand__tagline {
	font-size: var(--fs-xs);
	font-weight: var(--fw-semibold);
	letter-spacing: var(--tracking-wide);
	text-transform: uppercase;
	color: var(--color-primary-light);
	transition: opacity var(--transition), max-height var(--transition);
}

.brand:hover .brand__last,
.brand:focus-visible .brand__last {
	color: var(--c-accent-dark);
}

/* ============================================================
   4. Hauptnavigation - Mobil: Off-Canvas-Panel von rechts
   ============================================================ */

.nav-scrim {
	position: fixed;
	inset: 0;
	z-index: var(--z-nav);
	background: var(--color-primary-dark);
	opacity: 0;
	pointer-events: none;
	transition: opacity var(--transition-slow);
}

body.has-nav-open .nav-scrim {
	opacity: 0.55;
	pointer-events: auto;
}

/*
 * Das Panel beginnt unterhalb des Headers, damit der Burger-Button
 * sichtbar und bedienbar bleibt. --header-h pflegt navigation.js,
 * der Fallback deckt den Fall ohne JS ab.
 */
.main-nav {
	position: fixed;
	inset-block: var(--header-h, 68px) 0;
	inset-inline-end: 0;
	z-index: var(--z-overlay);
	width: min(21rem, 86vw);
	padding: var(--sp-5) var(--sp-5) var(--sp-7);
	background: var(--color-bg);
	box-shadow: var(--shadow-lg);
	overflow-y: auto;
	overscroll-behavior: contain;
	transform: translateX(100%);
	visibility: hidden;
	transition: transform var(--transition-slow), visibility var(--transition-slow);
}

body.has-nav-open .main-nav {
	transform: translateX(0);
	visibility: visible;
}

/* Body-Scroll sperren, solange das Panel offen ist. */
body.has-nav-open {
	overflow: hidden;
}

/* Header ueber die Abdunkelung heben, damit der Burger klickbar bleibt. */
body.has-nav-open .site-header {
	z-index: var(--z-overlay);
}

.main-nav__list {
	margin: 0 0 var(--sp-6);
	padding: 0;
	list-style: none;
}

.main-nav__list li {
	position: relative;
}

.main-nav__list a {
	display: block;
	padding: var(--sp-3) 0;
	color: var(--color-heading);
	font-weight: var(--fw-semibold);
	text-decoration: none;
	border-bottom: 1px solid var(--color-border);
}

.main-nav__list a:hover,
.main-nav__list a:focus-visible {
	color: var(--color-primary-light);
}

/* Aktiver Punkt */
.main-nav__list .current-menu-item > a,
.main-nav__list .current-menu-ancestor > a,
.main-nav__list .current_page_item > a,
.main-nav__list .current_page_ancestor > a {
	color: var(--color-primary);
}

/* --- Untermenues --- */

.main-nav__list .sub-menu {
	display: none;
	margin: 0;
	padding: 0 0 var(--sp-2) var(--sp-4);
	list-style: none;
}

.main-nav__list .menu-item-has-children.is-open > .sub-menu {
	display: block;
}

.main-nav__list .sub-menu a {
	font-weight: var(--fw-normal);
	font-size: var(--fs-sm);
	border-bottom: 0;
	padding-block: var(--sp-2);
}

/* --- Toggle-Button fuer Untermenues (mobil) --- */

.submenu-toggle {
	position: absolute;
	top: 0;
	inset-inline-end: 0;
	display: grid;
	place-items: center;
	width: 44px;
	height: 46px;
	padding: 0;
	border: 0;
	background: transparent;
	color: var(--color-primary);
	cursor: pointer;
}

.submenu-toggle__icon {
	display: block;
	width: 9px;
	height: 9px;
	border-right: 2px solid currentColor;
	border-bottom: 2px solid currentColor;
	transform: rotate(45deg) translate(-2px, -2px);
	transition: transform var(--transition);
}

.submenu-toggle[aria-expanded="true"] .submenu-toggle__icon {
	transform: rotate(225deg) translate(-2px, -2px);
}

/* --- Zusatzbereich im mobilen Panel --- */

.main-nav__extra {
	display: grid;
	gap: var(--sp-4);
	padding-top: var(--sp-2);
}

/* ============================================================
   5. Burger-Button
   ============================================================ */

.nav-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 46px;
	height: 46px;
	padding: 0;
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	background: var(--color-bg);
	color: var(--color-primary);
	cursor: pointer;
	transition: border-color var(--transition), background var(--transition);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
	border-color: var(--color-primary-light);
	background: var(--c-blue-50);
}

.nav-toggle__bars {
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 22px;
}

.nav-toggle__bar {
	display: block;
	width: 100%;
	height: 2px;
	border-radius: var(--radius-pill);
	background: currentColor;
	transition: transform var(--transition), opacity var(--transition);
}

/* Burger wird zum X, solange das Panel offen ist. */
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
	opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   6. Desktop-Navigation ab 1000px
   ============================================================ */

@media (min-width: 1000px) {

	.nav-toggle,
	.nav-scrim,
	.main-nav__extra,
	.submenu-toggle {
		display: none;
	}

	body.has-nav-open {
		overflow: visible;
	}

	.main-nav {
		position: static;
		width: auto;
		margin-inline-start: auto;
		padding: 0;
		background: transparent;
		box-shadow: none;
		overflow: visible;
		transform: none;
		visibility: visible;
		transition: none;
	}

	/* Reihenfolge: Marke links, Navigation rechtsbuendig, danach die Aktionen. */
	.site-header__actions {
		margin-left: 0;
	}

	.main-nav__list {
		display: flex;
		align-items: center;
		gap: var(--sp-1);
		margin: 0;
	}

	.main-nav__list > li > a {
		position: relative;
		padding: var(--sp-2) var(--sp-3);
		border-bottom: 0;
		border-radius: var(--radius-sm);
		font-size: var(--fs-sm);
		white-space: nowrap;
	}

	/* Unterstrich in Akzentfarbe fuer Hover und aktiven Punkt. */
	.main-nav__list > li > a::after {
		content: "";
		position: absolute;
		left: var(--sp-3);
		right: var(--sp-3);
		bottom: 0;
		height: 3px;
		border-radius: var(--radius-pill);
		background: var(--color-accent);
		transform: scaleX(0);
		transform-origin: left center;
		transition: transform var(--transition);
	}

	.main-nav__list > li > a:hover::after,
	.main-nav__list > li > a:focus-visible::after,
	.main-nav__list > .current-menu-item > a::after,
	.main-nav__list > .current-menu-ancestor > a::after,
	.main-nav__list > .current-menu-parent > a::after,
	.main-nav__list > .current_page_item > a::after,
	.main-nav__list > .current_page_ancestor > a::after {
		transform: scaleX(1);
	}

	/* --- Dropdowns --- */

	.main-nav__list .sub-menu {
		display: block;
		position: absolute;
		top: 100%;
		left: 0;
		z-index: var(--z-nav);
		min-width: 15rem;
		margin: 0;
		padding: var(--sp-2);
		border: 1px solid var(--color-border);
		border-radius: var(--radius-lg);
		background: var(--color-bg);
		box-shadow: var(--shadow-md);
		opacity: 0;
		visibility: hidden;
		transform: translateY(var(--sp-2));
		transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
	}

	.main-nav__list > li:hover > .sub-menu,
	.main-nav__list > li:focus-within > .sub-menu {
		opacity: 1;
		visibility: visible;
		transform: translateY(0);
	}

	.main-nav__list .sub-menu a {
		padding: var(--sp-2) var(--sp-3);
		border-radius: var(--radius-sm);
		font-size: var(--fs-sm);
		font-weight: var(--fw-medium);
	}

	.main-nav__list .sub-menu a:hover,
	.main-nav__list .sub-menu a:focus-visible {
		background: var(--c-blue-50);
	}

	/* Letztes Dropdown nach innen ausrichten. */
	.main-nav__list > li:last-child .sub-menu {
		left: auto;
		right: 0;
	}
}

/* ============================================================
   7. Suchformular
   ============================================================ */

.search-form {
	display: flex;
	gap: var(--sp-2);
	align-items: stretch;
}

.search-form__field {
	flex: 1 1 auto;
	min-width: 0;
}

.search-form__submit {
	flex: 0 0 auto;
	white-space: nowrap;
}

/* Im dunklen Umfeld (Footer-Widgets) angepasst. */
.site-footer .search-form__field {
	border-color: var(--c-blue-800);
}

/* ============================================================
   8. CTA-Band vor dem Footer
   ============================================================ */

.cta-band {
	border-top: 4px solid var(--color-accent);
}

.cta-band__title {
	margin-bottom: var(--sp-4);
}

.btn-row--center {
	justify-content: center;
	margin-top: var(--sp-6);
}

/* ============================================================
   9. Footer
   ============================================================ */

.site-footer {
	background: var(--color-primary-dark);
	color: var(--c-blue-100);
	padding-block: var(--sp-9) var(--sp-6);
	font-size: var(--fs-sm);
}

.site-footer__grid {
	display: grid;
	gap: var(--sp-7);
}

.site-footer__heading {
	margin-bottom: var(--sp-4);
	font-size: var(--fs-xs);
	font-weight: var(--fw-bold);
	letter-spacing: var(--tracking-wide);
	text-transform: uppercase;
	color: var(--c-blue-300);
}

.site-footer__text {
	margin-bottom: var(--sp-4);
	color: var(--c-blue-100);
	line-height: var(--lh-base);
}

.site-footer a {
	color: var(--c-blue-100);
	text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
	color: var(--color-accent);
	text-decoration: underline;
}

.brand--footer {
	margin-bottom: var(--sp-4);
}

.brand--footer .brand__name { color: var(--c-white); }
.brand--footer .brand__last { color: var(--color-accent); }
.brand--footer .brand__tagline { color: var(--c-blue-300); }

.brand--footer:hover .brand__last,
.brand--footer:focus-visible .brand__last { color: var(--c-accent-dark); }

.site-footer__badges {
	display: flex;
	flex-wrap: wrap;
	gap: var(--sp-2);
	margin: 0;
}

.footer-menu,
.legal-menu,
.contact-list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.footer-menu li + li {
	margin-top: var(--sp-2);
}

.footer-menu a {
	display: inline-block;
	padding-block: var(--sp-1);
}

.contact-list__item + .contact-list__item {
	margin-top: var(--sp-4);
}

.contact-list__label {
	display: block;
	font-size: var(--fs-xs);
	letter-spacing: var(--tracking-wide);
	text-transform: uppercase;
	color: var(--c-blue-300);
}

.contact-list__value {
	display: block;
	color: var(--c-white);
	font-weight: var(--fw-medium);
}

.site-footer__col--contact .btn {
	margin-top: var(--sp-5);
}

/* Widgets im Footer */
.site-footer__col--widgets .widget + .widget {
	margin-top: var(--sp-6);
}

.site-footer__col--widgets .widget__title {
	margin-bottom: var(--sp-4);
	font-size: var(--fs-xs);
	font-weight: var(--fw-bold);
	letter-spacing: var(--tracking-wide);
	text-transform: uppercase;
	color: var(--c-blue-300);
}

.site-footer__col--widgets ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-footer__col--widgets li + li {
	margin-top: var(--sp-2);
}

@media (min-width: 700px) {
	.site-footer__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 1000px) {
	.site-footer__grid {
		grid-template-columns: 1.6fr 1fr 1fr;
		gap: var(--sp-8);
	}

	.site-footer__grid--4 {
		grid-template-columns: 1.5fr 1fr 1fr 1fr;
	}
}

/* ============================================================
   10. Untere Leiste
   ============================================================ */

.site-footer__bottom {
	display: flex;
	flex-direction: column;
	gap: var(--sp-3);
	margin-top: var(--sp-8);
	padding-top: var(--sp-5);
	border-top: 1px solid var(--c-blue-800);
	font-size: var(--fs-xs);
	color: var(--c-blue-300);
}

.site-footer__bottom p {
	margin: 0;
}

.legal-menu {
	display: flex;
	flex-wrap: wrap;
	gap: var(--sp-2) var(--sp-5);
}

.site-footer__credit a {
	text-decoration: underline;
	text-underline-offset: 0.2em;
}

@media (min-width: 800px) {
	.site-footer__bottom {
		flex-direction: row;
		align-items: center;
		justify-content: space-between;
		gap: var(--sp-5);
	}

	.site-footer__credit {
		margin-left: auto;
	}
}

/* ============================================================
   11. Nach-oben-Button
   ============================================================ */

.to-top {
	position: fixed;
	inset-inline-end: var(--sp-4);
	inset-block-end: var(--sp-4);
	z-index: var(--z-header);
	display: grid;
	place-items: center;
	width: 46px;
	height: 46px;
	padding: 0;
	border: 0;
	border-radius: var(--radius-pill);
	background: var(--color-primary);
	color: var(--c-white);
	box-shadow: var(--shadow-md);
	cursor: pointer;
	opacity: 0;
	visibility: hidden;
	transform: translateY(var(--sp-3));
	transition: opacity var(--transition), transform var(--transition),
		visibility var(--transition), background var(--transition);
}

.to-top.is-visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.to-top:hover,
.to-top:focus-visible {
	background: var(--color-accent);
	color: var(--c-blue-950);
}

@media (min-width: 1000px) {
	.to-top {
		inset-inline-end: var(--sp-5);
		inset-block-end: var(--sp-5);
	}
}

/* ============================================================
   12. Reduzierte Bewegung
   ============================================================ */

@media (prefers-reduced-motion: reduce) {

	.site-header,
	.site-header__inner,
	.main-nav,
	.nav-scrim,
	.main-nav__list .sub-menu,
	.main-nav__list > li > a::after,
	.nav-toggle__bar,
	.submenu-toggle__icon,
	.to-top,
	.custom-logo-link img,
	.brand__tagline {
		transition: none;
	}

	.main-nav__list > li > a::after {
		transform: scaleX(0);
	}

	.main-nav__list > li > a:hover::after,
	.main-nav__list > li > a:focus-visible::after,
	.main-nav__list > .current-menu-item > a::after,
	.main-nav__list > .current-menu-ancestor > a::after,
	.main-nav__list > .current_page_item > a::after {
		transform: scaleX(1);
	}

	.to-top {
		transform: none;
	}
}